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Instrumentation Amplifier using Differential voltage second generation current conveyor (DVCCII) in standard 0.18 μm CMOS technology

Author(s): Ashish Panchal | Pramod Kumar Jain | D.S. Ajnar

Journal: International Journal of Engineering Science and Technology
ISSN 0975-5462

Volume: 3;
Issue: 8;
Start page: 6525;
Date: 2011;
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Keywords: second generation current conveyor circuit | class AB amplifier | trans-conductance.

In this paper a new CMOS high performance, high frequency current mode signal DVCC-II is presented. Output stage AB amplifier provides high driving capability ±0.9mA. It provides rail to rail inputoutputoperation. The proposed DVCC-II has been designed in 0.18μm CMOS technology with 1.8V supply voltage. SPECTRA RF simulator is used for circuit simulation. In low voltage sub-micrometer analog circuitaccuracy and precision can be limited by the finite gain as well as by input offset voltage. Proposed circuit features have high CMRR, high gain and bandwidth that can be achieved simultaneously without requiring well matched register.
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